Apparatus and method for analyzing paper surface topography

This invention relates to an apparatus and method for identifying periodic roughness variations on a paper surface. Such devices of this type, generally, collect topography data from the paper surface, analyze the data, and compare the data with known signature topographies of paper machine clothing...

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Bibliographische Detailangaben
Hauptverfasser:	ROGOWSKI, DONALD FRANK
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES FOR PAPER-MAKING MACHINES CALENDERS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PAPER-MAKING PHYSICS PRODUCTION OF CELLULOSE TESTING TEXTILES
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Beschreibung
Zusammenfassung:	This invention relates to an apparatus and method for identifying periodic roughness variations on a paper surface. Such devices of this type, generally, collect topography data from the paper surface, analyze the data, and compare the data with known signature topographies of paper machine clothing and equipment to determine the location in the paper manufacturing process where the periodic roughness variations on the paper surface are being produced.